Gypsum is a hydrated calcium sulfate, appreciated by mineral collectors for its transparency, softness, and the variety of its crystal forms. This category brings together gypsum specimens for sale, selected for collectors, with different presentations depending on the pieces offered: single crystals, groups, mineral associations, or more elongated forms depending on their origins.
Further down this page, you will find the gypsum specimens currently available in this category.
Gypsum is a rewarding mineral to observe in a collection. Depending on the specimen, attention may be drawn to the clarity of the crystals, their development, the overall balance of the piece, or the contrast between the gypsum and its matrix.
Gypsum can take very different forms, ranging from well-shaped individual crystals to fibrous or aggregated habits. This diversity is important for collectors, as it directly influences the way a specimen is appreciated. Some pieces stand out for the sharpness of their crystallisation, while others are valued for their transparency, structure, or association with other minerals.
When choosing a gypsum specimen, it is useful to consider the quality of the crystals, the overall clarity of the piece, its balance, and its state of preservation, as gypsum is a naturally soft mineral. Depending on the origin and the associated minerals, gypsum can display a range of different appearances, which gives this category genuine mineralogical interest.
